Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
ON/OFF switch in ON position
CH temp selector to MAX
DHW temp selector to MIN
Attach pressure gauge to the inlet pressure test point
CH temp selector to MAX
DHW temp selector to MIN
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and ignition sequence to commence.
Does the pressure gauge show a constant inlet pressure of approximately 20 mb (N.G), 37 mb (L.P.G)?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Does the pressure gauge show a constant inlet pressure of approximately 20 mb (N.G), 37 mb (L.P.G)?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary